+# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2019 EfficiOS Inc.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; only version 2
-# of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
import unittest
+
+from bt2 import utils as bt2_utils
+from bt2 import trace_class as bt2_trace_class
+from bt2 import stream_class as bt2_stream_class
from utils import (
run_in_component_init,
get_default_trace_class,
get_const_stream_beginning_message,
)
-from bt2 import stream_class as bt2_stream_class
-from bt2 import trace_class as bt2_trace_class
class TraceClassTestCase(unittest.TestCase):
def test_create_user_attributes(self):
def f(comp_self):
- return comp_self._create_trace_class(user_attributes={'salut': 23})
+ return comp_self._create_trace_class(user_attributes={"salut": 23})
tc = run_in_component_init(f)
- self.assertEqual(tc.user_attributes, {'salut': 23})
+ self.assertEqual(tc.user_attributes, {"salut": 23})
def test_create_invalid_user_attributes(self):
def f(comp_self):
self.assertRaisesInComponentInit(TypeError, f)
+ def test_create_invalid_automatic_stream_class_id_type(self):
+ def f(comp_self):
+ return comp_self._create_trace_class(
+ assigns_automatic_stream_class_id="perchaude"
+ )
+
+ self.assertRaisesInComponentInit(TypeError, f)
+
def test_automatic_stream_class_id(self):
def f(comp_self):
return comp_self._create_trace_class(assigns_automatic_stream_class_id=True)
def test_getitem_wrong_key_type(self):
tc, _, _, _ = self._create_trace_class_with_some_stream_classes()
with self.assertRaises(TypeError):
- tc['hello']
+ tc["hello"]
def test_getitem_wrong_key(self):
tc, _, _, _ = self._create_trace_class_with_some_stream_classes()
def test_destruction_listener(self):
def on_trace_class_destruction(trace_class):
- nonlocal trace_class_destroyed
- trace_class_destroyed = True
+ nonlocal type_of_passed_trace_class
+ type_of_passed_trace_class = type(trace_class)
+
+ nonlocal num_destruct_calls
+ num_destruct_calls += 1
- trace_class_destroyed = False
+ type_of_passed_trace_class = None
+ num_destruct_calls = 0
trace_class = get_default_trace_class()
- trace_class.add_destruction_listener(on_trace_class_destruction)
- self.assertFalse(trace_class_destroyed)
+ handle1 = trace_class.add_destruction_listener(on_trace_class_destruction)
+ self.assertIs(type(handle1), bt2_utils._ListenerHandle)
+
+ handle2 = trace_class.add_destruction_listener(on_trace_class_destruction)
+
+ trace_class.remove_destruction_listener(handle2)
+
+ self.assertEqual(num_destruct_calls, 0)
del trace_class
- self.assertTrue(trace_class_destroyed)
+ self.assertEqual(num_destruct_calls, 1)
+ self.assertIs(type_of_passed_trace_class, bt2_trace_class._TraceClassConst)
+
+ def test_remove_destruction_listener_wrong_type(self):
+ trace_class = get_default_trace_class()
+
+ with self.assertRaisesRegex(
+ TypeError, r"'int' is not a '<class 'bt2.utils._ListenerHandle'>' object"
+ ):
+ trace_class.remove_destruction_listener(123)
+
+ def test_remove_destruction_listener_wrong_object(self):
+ def on_trace_class_destruction(trace_class):
+ pass
+
+ trace_class_1 = get_default_trace_class()
+ trace_class_2 = get_default_trace_class()
+
+ handle1 = trace_class_1.add_destruction_listener(on_trace_class_destruction)
+
+ with self.assertRaisesRegex(
+ ValueError,
+ r"This trace class destruction listener does not match the trace class object\.",
+ ):
+ trace_class_2.remove_destruction_listener(handle1)
+
+ def test_remove_destruction_listener_twice(self):
+ def on_trace_class_destruction(trace_class):
+ pass
+
+ trace_class = get_default_trace_class()
+ handle = trace_class.add_destruction_listener(on_trace_class_destruction)
+
+ trace_class.remove_destruction_listener(handle)
+
+ with self.assertRaisesRegex(
+ ValueError, r"This trace class destruction listener was already removed\."
+ ):
+ trace_class.remove_destruction_listener(handle)
+
+ def test_raise_in_destruction_listener(self):
+ def on_trace_class_destruction(trace_class):
+ raise ValueError("it hurts")
+
+ trace_class = get_default_trace_class()
+ trace_class.add_destruction_listener(on_trace_class_destruction)
+
+ del trace_class
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main()